英国政府：英美贸易协议已于今日生效，削减了英国汽车和航空航天产品对美出口关税。

Core Point - The UK government announced that the UK-US trade agreement has come into effect today, reducing tariffs on UK automotive and aerospace exports to the US [1] Group 1 - The trade agreement aims to enhance trade relations between the UK and the US by lowering export tariffs [1] - The reduction in tariffs is expected to benefit the UK automotive and aerospace industries significantly [1]